Home / 7,870,106.52-11,808,590.67-2,756,205

Finding the Fourth Proportional to 7,870,106.52, 11,808,590.67 and 2,756,205

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Solution

The fourth proportional to 7,870,106.52, 11,808,590.67 and 2,756,205 is: 4,135,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,106.52 : 11,808,590.67 = 2,756,205 : x
  2. Step 2: Convert to fraction form
    7,870,106.52/11,808,590.67 = 2,756,205/x
  3. Step 3: Cross multiply
    7,870,106.52x = 11,808,590.67 × 2,756,205
  4. Step 4: Simplify right side
    7,870,106.52x = 32,546,896,647,607.35
  5. Step 5: Solve for x
    x = 32,546,896,647,607.35/7,870,106.52
  6. Step 6: Final answer
    x = 4,135,509.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.